JOYIN 170 Pcs Marble Run Premium Toy Set, Construction Building Blocks Toys, STEM Educational Building Block Toy(120 Plastic Pieces + 50 Glass Marbles)

it is a sturdy and customizable toy. Upon completing the complex build (and lack of good instructions), the boys are excitedly putting the marbles in and chancing the balls that fly. It is, also, teaching them how to play together and problem solve... Your kids can, also, learn turn taking as we are observing.

This is the third set purchased. Six year old grandson builds some impressive and elaborate structures.

Purchased several items for gifts. Children love putting tracks together a then watching the marbles navigate thru the process. Great gift

my wife and i got this as a gift for our son, because we played with this as kids. awesome to see my son having fun building and running marbles.

Exactly as described. My daughter plays with this for hours at a time

We bought 2 sets and they played for hours making different set ups

Set is fantastic, but note that the item listing is for a 170 piece set, while the pictures are showing the pieces from a 207 piece set. As a result, several types of pieces that we were expecting were not included in the product we received. Disappointing, but the functionality and quality is otherwise exactly as expected.

put this together to even play with is a challenge for kids to do, they more excited about playing then putting it together, wish thier was an easier way to assemble!!!!!!!!!!!!! I am glad it comes with 50ty marbles, cause they seem to roll everywhere othe the the obstacle